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J. Zahar · SciRah

Researcher profile · Semantic Scholar

J. Zahar

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J. Zahar — researcher profile on SciRah

h-index: 60
Works: 296
Citations: 13K

Most-cited papers

Healthcare-associated infections in adult intensive care unit patients: Changes in epidemiology, diagnosis, prevention and contributions of new technologies
S. Blot, Étienne Ruppé, S. Harbarth, K. Asehnoune +11 more
2022Intensive & Critical Care Nursing304 citations Open access
Semantic Scholar
Fungal infections in mechanically ventilated patients with COVID-19 during the first wave: the French multicentre MYCOVID study
J. Gangneux, E. Dannaoui, A. Fekkar, C. Luyt +66 more
2021The Lancet Respiratory Medicine238 citations Open access
Semantic Scholar
SARS-CoV-2 was already spreading in France in late December 2019
A. Deslandes, V. Berti, Y. Tandjaoui-Lambotte, C. Alloui +4 more
2020International Journal of Antimicrobial Agents226 citations Open access
Semantic Scholar
Expert consensus-based clinical practice guidelines management of intravascular catheters in the intensive care unit
J. Timsit, J. Baleine, L. Bernard, S. Calvino-Gunther +20 more
2020Annals of Intensive Care204 citations Open access
Semantic Scholar
Antimicrobial de-escalation in critically ill patients: a position statement from a task force of the European Society of Intensive Care Medicine (ESICM) and European Society of Clinical Microbiology and Infectious Diseases (ESCMID) Critically Ill Patients Study Group (ESGCIP)
Alexis Tabah, M. Bassetti, M. Kollef, J. Zahar +12 more
2019Intensive Care Medicine174 citations
Semantic Scholar
Gut Microbiota, Antibiotic Therapy and Antimicrobial Resistance: A Narrative Review
B. Pilmis, A. Le Monnier, J. Zahar
2020Microorganisms101 citations Open access
Semantic Scholar
Antimicrobial de-escalation in the critically ill patient and assessment of clinical cure: the DIANA study
L. de Bus, Pieter Depuydt, Johan Steen, S. Dhaese +187 more
2020Intensive Care Medicine87 citations Open access
Semantic Scholar
High flow nasal oxygen therapy to avoid invasive mechanical ventilation in SARS-CoV-2 pneumonia: a retrospective study
N. Bonnet, O. Martin, M. Boubaya, V. Lévy +12 more
2021Annals of Intensive Care83 citations Open access
Semantic Scholar
Rationale and evidence for the use of new beta-lactam/beta-lactamase inhibitor combinations and cefiderocol in critically ill patients
F. Barbier, S. Hraiech, S. Kernéis, Nathanaël Veluppillai +4 more
2023Annals of Intensive Care63 citations Open access
Semantic Scholar
Ultraviolet disinfection robots to improve hospital cleaning: Real promise or just a gimmick?
Magda Diab-El Schahawi, W. Zingg, M. Vos, H. Humphreys +4 more
2021Antimicrobial Resistance and Infection Control61 citations Open access
Semantic Scholar
SARS-CoV-2 transmission among children and staff in daycare centres during a nationwide lockdown in France: a cross-sectional, multicentre, seroprevalence study
E. Lachassinne, L. de Pontual, M. Caseris, M. Lorrot +26 more
2021The Lancet Child & Adolescent Health54 citations Open access
Semantic Scholar
When and How to Use MIC in Clinical Practice?
S. Magréault, F. Jauréguy, E. Carbonnelle, J. Zahar
2022Antibiotics40 citations Open access
Semantic Scholar
A review of significance of Aspergillus detection in airways of ICU COVID‐19 patients
Grégoire Pasquier, Agathe Bounhiol, F. Robert-Gangneux, J. Zahar +4 more
2021Mycoses (Berlin)31 citations Open access
Semantic Scholar
Automated HPLC-MS/MS assay for the simultaneous determination of ten plasma antibiotic concentrations.
S. Magréault, F. Jauréguy, J. Zahar, F. Méchaï +4 more
2022Journal of chromatography. B, Analytical technologies in the biomedical and life sciences29 citations Open access
Semantic Scholar
Limiting the Spread of Multidrug-Resistant Bacteria in Low-to-Middle-Income Countries: One Size Does Not Fit All
R. Saliba, J. Zahar, G. Dabar, M. Riachy +2 more
2023Pathogens28 citations Open access
Semantic Scholar
Is systematic fecal carriage screening of extended-spectrum beta-lactamase-producing Enterobacteriaceae still useful in intensive care unit: a systematic review
R. Prével, A. Boyer, F. M’zali, A. Lashéras +3 more
2019Critical Care28 citations Open access
Semantic Scholar
Nosocomial Pneumonia in the Era of Multidrug-Resistance: Updates in Diagnosis and Management
Elena Xu, D. Pérez-Torres, P. Fragkou, J. Zahar +1 more
2021Microorganisms26 citations Open access
Semantic Scholar
A Conceptual Discussion About the Basic Reproduction Number of Severe Acute Respiratory Syndrome Coronavirus 2 in Healthcare Settings
L. Temime, M. Gustin, Audrey Duval, N. Buetti +7 more
2020Clinical Infectious Diseases24 citations Open access
Semantic Scholar
Rapid antigen testing as a reactive response to surges in nosocomial SARS-CoV-2 outbreak risk
David R. M. Smith, Audrey Duval, J. Zahar, Niels Hendrickx +7 more
2022Nature Communications22 citations Open access
Semantic Scholar
Single-drug versus combination antimicrobial therapy in critically ill patients with hospital-acquired pneumonia and ventilator-associated pneumonia due to Gram-negative pathogens: a multicenter retrospective cohort study
François Barbier, C. Dupuis, N. Buetti, C. Schwebel +13 more
2024Critical Care20 citations Open access
Semantic Scholar
Multidrug-resistant enterobacterales infections in abdominal solid organ transplantation.
B. Pilmis, E. Weiss, A. Scemla, A. Le Monnier +6 more
2022Clinical Microbiology and Infection20 citations Open access
Semantic Scholar
Hand hygiene improvement or antibiotic restriction to control the household transmission of extended-spectrum β-lactamase-producing Escherichia coli: a mathematical modelling study
L. Kardaś-Słoma, Y. Yazdanpanah, A. Perozziello, J. Zahar +3 more
2020Antimicrobial Resistance and Infection Control18 citations Open access
Semantic Scholar
Be careful about MICs to amoxicillin for patients with Streptococci-related infective endocarditis.
B. Pilmis, J. Lourtet-Hascoët, O. Barraud, C. Piau +15 more
2019International Journal of Antimicrobial Agents17 citations
Semantic Scholar
One-day prevalence of asymptomatic carriage of toxigenic and non-toxigenic Clostridioides difficile in 10 French hospitals.
A. Le Monnier, T. Candela, A. Mizrahi, E. Bille +12 more
2022Journal of Hospital Infection16 citations
Semantic Scholar
Cost-effectiveness of strategies to control the spread of carbapenemase-producing Enterobacterales in hospitals: a modelling study
L. Kardaś-Słoma, S. Fournier, Jean-Claude Dupont, L. Rochaix +6 more
2022Antimicrobial Resistance and Infection Control16 citations Open access
Semantic Scholar
No significant difference between Ceftriaxone and Cefotaxime on the emergence of antibiotic resistance in the gut microbiota of hospitalized patients: a pilot study.
B. Pilmis, O. Jiang, A. Mizrahi, J. C. Van +13 more
2021International Journal of Infectious Diseases16 citations Open access
Semantic Scholar
Environmental contamination related to SARS-CoV-2 in ICU patients
A. Lomont, M. Boubaya, W. Khamis, A. Deslandes +11 more
2020ERJ Open Research16 citations Open access
Semantic Scholar
A Conceptual Discussion about R0 of SARS-COV-2 in Healthcare Settings
L. Temime, M. Gustin, Audrey Duval, N. Buetti +7 more
202014 citations
Semantic Scholar
What to Do with the New Antibiotics?
Khalil Chaïbi, F. Jauréguy, Hermann Do Rego, P. Ruíz +6 more
2023Antibiotics13 citations Open access
Semantic Scholar
Pseudomonas aeruginosa bloodstream infections in children: a 9-year retrospective study
B. Pilmis, F. Alby-Laurent, M. L. Fasola, V. Seegers +7 more
2020European Journal of Pediatrics13 citations
Semantic Scholar
Prevalence and risk factors of toxigenic Clostridioides difficile asymptomatic carriage in 11 French hospitals
S. Jolivet, J. Couturier, P. Grohs, A. Vilfaillot +14 more
2023Frontiers in Medicine12 citations Open access
Semantic Scholar
Stewardship program on carbapenem prescriptions in a tertiary hospital for adults and children in France: a cohort study
J. Poline, M. Postaire, P. Parize, B. Pilmis +6 more
2021European Journal of Clinical Microbiology and Infectious Diseases12 citations Open access
Semantic Scholar
Cohorting for preventing the nosocomial spread of Carbapenemase-Producing Enterobacterales, in non-epidemic settings: is it mandatory?
D. Hilliquin, A. Lomont, J. Zahar
2020Journal of Hospital Infection11 citations Open access
Semantic Scholar
Updates on Donor-Derived Infection in Solid Organ Transplantation, Report from the 2024 GTI (Infection and Transplantation Group) Annual Meeting
Carole Eldin, P. Grossi, Victoria Manda, Nassim Kamar +15 more
2025Transplant International10 citations Open access
Semantic Scholar
A consensus of European experts on the definition of ventilator-associated pneumonia recurrences obtained by the Delphi method: the RECUVAP study
A. Gaillet, C. Luyt, J. Timsit, Karim Asehnoune +36 more
2025Intensive Care Medicine10 citations
Semantic Scholar
Infectious Complications of Targeted Therapies for Solid Cancers or Leukemias/Lymphomas
B. Pilmis, Y. Kherabi, Pauline Huriez, J. Zahar +1 more
2023Cancers10 citations Open access
Semantic Scholar
Empiric Treatment in HAP/VAP: “Don’t You Want to Take a Leap of Faith?”
Khalil Chaïbi, Gauthier Péan de Ponfilly, L. Dortet, J. Zahar +1 more
2022Antibiotics10 citations Open access
Semantic Scholar
[Short recommendations from the CIAFU: Interest of the urine bacterial culture performed before endo-rectal prostate biopsy].
F. Bruyère, M. Vallée, D. Legeais, C. Le Goux +4 more
2020Progrès en urologie (Paris)10 citations
Semantic Scholar
ESTIMATING R0 OF SARS-COV-2 IN HEALTHCARE SETTINGS
L. Temime, M. Gustin, Audrey Duval, N. Buetti +7 more
2020medRxiv10 citations Open access
Semantic Scholar
Measuring Basic Reproduction Number to Assess Effects of Nonpharmaceutical Interventions on Nosocomial SARS-CoV-2 Transmission
G. Shirreff, J. Zahar, S. Cauchemez, L. Temime +1 more
2022Emerging Infectious Diseases9 citations Open access
Semantic Scholar
Dual beta-lactam treatment: Pros and cons
Diogo Guerra, P. Vidal, O. Paccoud, Alexis Maillard +6 more
2022Porto Biomedical Journal9 citations Open access
Semantic Scholar
Faecal carriage of multidrug-resistant bacteria and associated risk factors: results from a point prevalence study.
P. Grohs, A. Vilfaillot, J. Zahar, F. Barbut +12 more
2022Journal of Antimicrobial Chemotherapy9 citations
Semantic Scholar
De-escalation of antimicrobial therapy in critically ill hematology patients: a prospective cohort study
D. Schnell, C. Montlahuc, F. Bruneel, M. Resche-Rigon +9 more
2019Intensive Care Medicine9 citations
Semantic Scholar
FUrTIHF: French Urinary Tract Infections in Healthcare Facilities French Urinary Tract Infections in Healthcare Facilities: 5-year historic cohort 2014-2018.
Sixtine de Lafforest, A. Magnier, M. Vallée, E. Bey +7 more
2021Journal of Hospital Infection8 citations Open access
Semantic Scholar
Impact of freeze/thaw cycles and single freezing at -80 °C on the viability of aerobic bacteria from rectal swabs performed with the ESwabTM system.
R. Saliba, J. Zahar, Fatma El Allaoui, E. Carbonnelle +1 more
2019Diagnostic microbiology and infectious disease8 citations Open access
Semantic Scholar
Carbapenem-resistant Enterobacterales (CRE): The storm is coming.
J. Zahar, S. Blot
2023Intensive & Critical Care Nursing7 citations
Semantic Scholar
Time to intestinal clearance of carbapenemase-producing Enterobacterales in hospital patients: a longitudinal retrospective observational cohort study.
N. Loukili, A. Loquet, A. Perrin, O. Gaillot +4 more
2023Journal of Hospital Infection7 citations Open access
Semantic Scholar
Rapid and accurate eXDR screening: use Xpert Carba-R® with FecalSwab®.
E. Farfour, A. Lomont, V. Fihman, M. Lecuru +4 more
2020Diagnostic microbiology and infectious disease7 citations
Semantic Scholar
Risk Factors for the Environmental Spread of Different Multi-Drug-Resistant-Organisms (MDRO)
R. Saliba, Théo Ghelfenstein-Ferreira, A. Lomont, B. Pilmis +5 more
20207 citations Open access
Semantic Scholar
Prospective study on a fast-track training in psychiatry for medical students: the psychiatric hat game
Anthony Clément, Raphael Delage, M. Chollier, L. Josse +4 more
2020BMC Medical Education7 citations Open access
Semantic Scholar

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